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| Criterion | ![]() Knowledge Modeling Competency Questions | ![]() Knowledge Modeling IBIS | ![]() Architecture arc42 | ![]() Decision Making Argument Mapping |
|---|---|---|---|---|
Purposedifferent | Competency Questions translate a domain model into concrete questions that it must be able to answer. The method keeps the model's scope clean and prevents pretty but useless structures. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2-4 h | 1-3 h | 1-2 Tage | 1-3 h |
Participantsdifferent | 2-8 | 2-8 | 1-4 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Issue Map, Positions, Argument Notes | Architecture Document, Context View, Runtime View, Deployment View | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | OntologyKnowledge graphScopeRequirementsSemantic | RationaleKnowledgeDecision | ArchitectureDocumentationCommunication | SensemakingDecisionRationale |



